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Mite Mijalkov replied to the topic Within-subject edge importance in the forum General Help (Braph 2.0) 1 year ago
Hi Shrikanth,
Thank you for using Braph. Braph uses an FDR correction, which can indicate which edges remain significant after correcting for multiple comparisons. Additionally, one could visualize the subject matrices and check which edges have the strongest weight.
However, as there are many different methods published in the literature…[Read more]
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Mite Mijalkov replied to the topic Betweenness Centrality – Normalized in the forum General Help (Braph 1.0) 1 year, 3 months ago
Dear Keivan,
Thank you for contacting us and for using Braph for your analysis.
The betweenness centrality in Braph has to option to provide both normalized and unnormalized values when used from the command line. However, if you are using the GUIs provided by Braph, then the default value is the normalized version.
The measure is normalized by…[Read more]
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Mite Mijalkov replied to the topic Import correlation matrices in BRAPH in the forum General Help (Braph 2.0) 1 year, 10 months ago
Hi,
Thank you for considering BRAPH for your research and I am sorry to hear you are experiencing problems with your analysis. We would be very happy to assist you with this issue and we can do so in 2 ways:
1) You could upload your data directly in BRAPH and generate the correlation matrices within the software. If you would like to calculate…[Read more]
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Mite Mijalkov replied to the topic Question on MRISubject in the forum General Help (Braph 1.0) 1 year, 10 months ago
Hi Aaron,
The run time on the MRIComparisonWU would depend on the size of your network, number of measures and which measures you will calculate, but it will also be highly dependent on the number of permutations that you choose to perform.
This issue arises due to the methods used to calculate the null distributions for the MRI covariance…[Read more]
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Mite Mijalkov replied to the topic Graph analysis with the matrices obtained from fMRI data in the forum General Help (Braph 2.0) 2 years, 4 months ago
Hi Shrikanth,
Thank you for sharing the information regarding your analysis. I have met with my colleagues and we thing that this analysis can be done in Braph.
In order to know how to proceed with the implementation we would need several technical details regarding your analysis. I was wondering whether you would be available for a short…[Read more]
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Mite Mijalkov replied to the topic Graph analysis with the matrices obtained from fMRI data in the forum General Help (Braph 2.0) 2 years, 4 months ago
Hi Shrikanth,
Of course, we can try to help you with the implementation of this pipeline.
To transfer the data from SPM software to Braph2, you would first need to export the data from SPM in .txt, .xls or .mat format. Then, if you have one .txt file per subject (that holds the connectivity matrix that is associated with the subject), you can…[Read more]
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Mite Mijalkov replied to the topic Graph analysis with the matrices obtained from fMRI data in the forum General Help (Braph 2.0) 2 years, 4 months ago
Hi Shrikanth,
Thank you for showing an interest in Braph 2.0 and hope that it will prove to be a useful tool for your research.
The answer to your question is yes, graph analysis can be used to analyze the DCM matrices and provide explanation of the topological properties of the nodes. You can do it with Braph 2. While the pipelines for such…[Read more]